/* Definitions for Intel x86 running BeOS
   Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.

This file is part of GNU CC.

GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING.  If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */

#include <i386/i386.h>	/* Base i386 target machine definitions */
#include <i386/att.h>	/* Use the i386 AT&T assembler syntax */
#include <svr4.h>	/* some common stuff */

#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (i386 BeOS/ELF)");

/* Change debugging to Dwarf2.  */
#undef PREFERRED_DEBUGGING_TYPE
#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG

/* The SVR4 ABI for the i386 says that records and unions are returned
   in memory.  */
#undef DEFAULT_PCC_STRUCT_RETURN
#define DEFAULT_PCC_STRUCT_RETURN 1

#undef ASM_COMMENT_START
#define ASM_COMMENT_START " #"

/* This is how to output an element of a case-vector that is relative.
   This is only used for PIC code.  See comments by the `casesi' insn in
   i386.md for an explanation of the expression this outputs. */
#undef ASM_OUTPUT_ADDR_DIFF_ELT
#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
  fprintf (FILE, "\t.long _GLOBAL_OFFSET_TABLE_+[.-%s%d]\n", LPREFIX, VALUE)

/* Indicate that jump tables go in the text section.  This is
   necessary when compiling PIC code.  */
#define JUMP_TABLES_IN_TEXT_SECTION (flag_pic)

#undef DBX_REGISTER_NUMBER
#define DBX_REGISTER_NUMBER(n) \
  (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n])

/* Output assembler code to FILE to increment profiler label # LABELNO
   for profiling a function entry.  */

#undef FUNCTION_PROFILER
#define FUNCTION_PROFILER(FILE, LABELNO)  \
{									\
  if (flag_pic)								\
    {									\
      fprintf (FILE, "\tleal %sP%d@GOTOFF(%%ebx),%%edx\n",		\
	       LPREFIX, (LABELNO));					\
      fprintf (FILE, "\tcall *mcount@GOT(%%ebx)\n");			\
    }									\
  else									\
    {									\
      fprintf (FILE, "\tmovl $%sP%d,%%edx\n", LPREFIX, (LABELNO));	\
      fprintf (FILE, "\tcall mcount\n");				\
    }									\
}

#undef SIZE_TYPE
#define SIZE_TYPE "long unsigned int"
 
#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE "long int"
  
#undef WCHAR_TYPE
#define WCHAR_TYPE "short unsigned int"
   
#undef WCHAR_UNSIGNED
#define WCHAR_UNSIGNED 1

#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 16
    
#undef CPP_PREDEFINES
#define CPP_PREDEFINES "-D__ELF__ -D__BEOS__ -D__INTEL__ -D_X86_=1 \
-D__stdcall=__attribute__((__stdcall__)) \
-D__cdecl=__attribute__((__cdecl__)) \
-D__declspec(x)=__attribute__((x)) \
-Asystem=beos"

#undef CPP_SPEC
#define CPP_SPEC "%(cpp_cpu) %{!no-fPIC:%{!no-fpic:-D__PIC__ -D__pic__}}"

/* BeOS uses lots of multichars, so don't warn about them unless the
   user explicitly asks for the warnings with -Wmultichar.  Note that
   CC1_SPEC is used for both cc1 and cc1plus. */

#undef CC1_SPEC
#define CC1_SPEC "%{!no-fpic:%{!fPIC:-fpic}} %{!Wmultichar: -Wno-multichar} %(cc1_cpu) %{profile:-p}"

#undef CC1PLUS_SPEC
#define CC1PLUS_SPEC "%{!Wctor-dtor-privacy:-Wno-ctor-dtor-privacy}"

/* Provide a LINK_SPEC appropriate for BeOS.  Here we provide support
   for the special GCC options -static and -shared, which allow us to
   link things in one of these three modes by applying the appropriate
   combinations of options at link-time. */

/* If ELF is the default format, we should not use /lib/elf. */

#undef	LINK_SPEC
#define LINK_SPEC "%{!o*:-o %b} -m elf_i386_be -shared -Bsymbolic %{nostart:-e 0}"

/* Provide start and end file specs appropriate to glibc.  */

/* LIB_SPEC for BeOS */
#undef LIB_SPEC
#define LIB_SPEC "-lnet -lroot"

/* gcc runtime lib is built into libroot.so on BeOS */
/* ??? This is gonna be lovely when the next release of gcc has 
   some new symbol in, so that links start failing.  */
#undef LIBGCC_SPEC
#define LIBGCC_SPEC ""

#undef  STARTFILE_SPEC
#define STARTFILE_SPEC "crti.o%s crtbegin.o%s %{!nostart:start_dyn.o%s} init_term_dyn.o%s %{p:i386-mcount.o%s}"

#undef  ENDFILE_SPEC
#define ENDFILE_SPEC "crtend.o%s crtn.o%s"

/* Get perform_* macros to build libgcc.a.  */
#include "i386/perform.h"

/* A C statement (sans semicolon) to output to the stdio stream
   FILE the assembler definition of uninitialized global DECL named
   NAME whose size is SIZE bytes and alignment is ALIGN bytes.
   Try to use asm_output_aligned_bss to implement this macro.  */

#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
  asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)

/* A C statement to output to the stdio stream FILE an assembler
   command to advance the location counter to a multiple of 1<<LOG
   bytes if it is within MAX_SKIP bytes.

   This is used to align code labels according to Intel recommendations.  */

#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
  if ((LOG)!=0) \
    if ((MAX_SKIP)==0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
    else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP))
#endif

/* For native compiler, use standard BeOS include file search paths
   rooted in /boot/develop/headers.  For a cross compiler, don't
   expect the host to use the BeOS directory scheme, and instead look
   for the BeOS include files relative to TOOL_INCLUDE_DIR.  Yes, we
   use ANSI string concatenation here (FIXME) */

#ifndef CROSS_COMPILE
#undef INCLUDE_DEFAULTS
#define INCLUDE_DEFAULTS \
    { \
    { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1 },\
    { GCC_INCLUDE_DIR, "GCC", 0, 0 },\
    { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1}, \
    { "/boot/develop/headers/be/add-ons/graphics", 0, 0, 0 },\
    { "/boot/develop/headers/be/devel", 0, 0, 0 },\
    { "/boot/develop/headers/be/translation", 0, 0, 0 },\
    { "/boot/develop/headers/be/mail", 0, 0, 0 },\
    { "/boot/develop/headers/gnu", 0, 0, 0 },\
    { "/boot/develop/headers/be/drivers", 0, 0, 0 },\
    { "/boot/develop/headers/be/opengl", 0, 0, 0 },\
    { "/boot/develop/headers/be/game", 0, 0, 0 },\
    { "/boot/develop/headers/be/support", 0, 0, 0 },\
    { "/boot/develop/headers/be/storage", 0, 0, 0 },\
    { "/boot/develop/headers/be/kernel", 0, 0, 0 },\
    { "/boot/develop/headers/be/net", 0, 0, 0 },\
    { "/boot/develop/headers/be/midi", 0, 0, 0 },\
    { "/boot/develop/headers/be/midi2", 0, 0, 0 },\
    { "/boot/develop/headers/be/media", 0, 0, 0 },\
    { "/boot/develop/headers/be/interface", 0, 0, 0 },\
    { "/boot/develop/headers/be/device", 0, 0, 0 },\
    { "/boot/develop/headers/be/app", 0, 0, 0 },\
    { "/boot/develop/headers/be/precompiled", 0, 0, 0 },\
    { "/boot/develop/headers/be/add-ons/input_server", 0, 0, 0 },\
    { "/boot/develop/headers/be/add-ons/net_server", 0, 0, 0 },\
    { "/boot/develop/headers/be/add-ons/screen_saver", 0, 0, 0 },\
    { "/boot/develop/headers/be/add-ons/tracker", 0, 0, 0 },\
    { "/boot/develop/headers/be/be_apps/Deskbar", 0, 0, 0 },\
    { "/boot/develop/headers/be/be_apps/NetPositive", 0, 0, 0 },\
    { "/boot/develop/headers/be/be_apps/Tracker", 0, 0, 0 },\
    { "/boot/develop/headers/be/drivers/tty", 0, 0, 0 },\
    { "/boot/develop/headers/be/net/netinet", 0, 0, 0 },\
    { "/boot/develop/headers/be/storage", 0, 0, 0 },\
    { "/boot/develop/headers/be", 0, 0, 0 },\
    { "/boot/develop/headers/cpp", 0, 0, 0 },\
    { "/boot/develop/headers/posix", 0, 0, 0 },\
    { "/boot/develop/headers", 0, 0, 0 }, \
    { 0, 0, 0, 0 } \
    };
#else /* CROSS_COMPILE */
#undef	INCLUDE_DEFAULTS
#define INCLUDE_DEFAULTS				\
    { \
    { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1 },\
    { GCC_INCLUDE_DIR, "GCC", 0, 0 },\
    { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1}, \
    { CROSS_INCLUDE_DIR "/be/add-ons/graphics", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/devel", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/translation", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/mail", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/gnu", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/drivers", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/opengl", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/game", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/support", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/storage", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/kernel", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/net", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/midi", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/midi2", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/media", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/interface", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/device", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/app", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/precompiled", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/add-ons/input_server", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/add-ons/net_server", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/add-ons/screen_saver", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/add-ons/tracker", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/be_apps/Deskbar", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/be_apps/NetPositive", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/be_apps/Tracker", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/drivers/tty", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/net/netinet", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be/storage", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/be", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/cpp", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR "/posix", 0, 0, 0 },\
    { CROSS_INCLUDE_DIR , 0, 0, 0 }, \
    { 0, 0, 0, 0 } \
    };
#endif

/* Whee.  LIBRARY_PATH is Be's LD_LIBRARY_PATH, which of course will
   cause nasty problems if we override it.  */
#define LIBRARY_PATH_ENV        "BELIBRARIES"

/* BeOS doesn't have a separate math library.  */
#define MATH_LIBRARY ""

/* BeOS headers are C++-aware (and often use C++).  */
#define NO_IMPLICIT_EXTERN_C

/* Define this macro if in some cases global symbols from one translation
   unit may not be bound to undefined symbols in another translation unit
   without user intervention.  For instance, under Microsoft Windows
   symbols must be explicitly imported from shared libraries (DLLs).  */
#define MULTIPLE_SYMBOL_SPACES

/* A C statement to output assembler commands which will identify the object
   file as having been compiled with GNU CC.  This isn't needed for BeOS
   because we use DWARF and DWARF has an DW_AT_producer tag that does the
   same thing.  BeOS debuggers, like bdb, that don't know about this hack
   can get confused when they find two symbols with the same address, and
   print the wrong one (gcc2_compiled) in things like backtraces.  The most
   likely ill effect of disabling this is that a BeOS port of gdb would not
   be able to tell that an executable was compiled with gcc if there was no
   DWARF info. */
#undef ASM_IDENTIFY_GCC
#define ASM_IDENTIFY_GCC(FILE) 
